package d1130.r2143num17;

public class Demo02 {
    public static void main(String[] args) {
        byte[] arr={97,98,99};
        String str1 = new String(arr);
        System.out.println(str1);
        char[] arr2 ={'a','b','c'};
        String str2 = new String(arr2);
        System.out.println(str2);
        String name="张三";
        name="李四";
        System.out.println(name);//李四

    }
}
